{"id":16581,"date":"2026-02-17T16:21:28","date_gmt":"2026-02-17T15:21:28","guid":{"rendered":"https:\/\/swisslaser.pl\/lasek-prk\/"},"modified":"2026-10-03T13:22:37","modified_gmt":"2026-10-03T11:22:37","slug":"lasek-prk","status":"publish","type":"page","link":"https:\/\/swisslaser.pl\/en\/laser-vision-correction\/lasek-prk\/","title":{"rendered":"LASEK\/PRK"},"content":{"rendered":"\n\n
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LASEK\/PRK<\/h1>\n\n\n\n

Warsaw \u00b7 Krakow \u00b7 Vienna \u00b7 Zurich<\/p>\n\n\n\n

Photorefractive keratectomy (PRK) is a surgical procedure performed since 1987, recognized as one of the older methods of refractive laser surgery.<\/p>\n\n\n\n

The procedure itself involves removing the upper cellular layer of the cornea (epithelium) and then appropriately reshaping the underlying corneal tissue using an excimer laser.<\/p>\n\n\n\n

The procedures are effective and safe, and most importantly, they guarantee patients significant vision improvement.<\/p>\n\n\n\n

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Book an appointment<\/a><\/div>\n\n\n\n
Preliminary Eligibility Assessment<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
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Procedure Course<\/h2>\n\n\n\n

Initially, the face is cleansed with an antiseptic solution. The patient receives a local anesthetic in the form of eye drops. The eyelids are painlessly immobilized with a speculum. Throughout the entire operation, the patient looks at a flashing light above. In the first stage, the upper cellular layer of the cornea (epithelium) is manually removed. <\/p>\n\n\n\n

Next, the surgeon uses a highly precise laser beam to remove a thin layer from the corneal surface. The laser models and shapes the existing corneal tissue to change the corneal curvature and correct vision defects. The patient does not experience pain \u2013 the only sensation may be the sound of the laser. The entire procedure is constantly monitored by the surgeon, who supervises the laser’s use through a microscope. <\/p>\n\n\n\n

During the final stage of the LASEK\/PRK procedure, soft, bandage contact lenses are inserted to protect the eyes after surgery. The protective lenses are removed by the surgeon after 2-4 days. <\/p>\n\n\n\n

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\"Prk<\/figure>\n\n\n\n

Preparation<\/strong><\/strong><\/strong><\/h3>\n\n\n\n

Before starting the procedure, the patient’s facial area is thoroughly disinfected. The patient then receives anesthetic eye drops, and their eyelids are immobilized with speculums for the duration of the procedure. All of this is completely painless. During the procedure, the patient is asked to look at a flashing light above. <\/p>\n<\/div><\/div><\/div>\n\n\n\n

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\"Prk<\/figure>\n\n\n\n

Epithelium Exposure<\/strong><\/strong><\/strong><\/h3>\n\n\n\n

In the first phase of the procedure, the surgeon manually removes the upper cellular layer of the cornea, i.e., the epithelium. In newer generation procedures (e.g., LASIK or Femto-LASIK), the epithelium is only folded back, not completely removed. <\/p>\n<\/div><\/div><\/div>\n\n\n\n

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\"Prk<\/figure>\n\n\n\n

Excimer Laser Correction<\/strong><\/strong><\/strong><\/h3>\n\n\n\n

The next stage of the LASEK-PRK method involves using a highly precise laser beam to model and appropriately shape the cornea to eliminate vision defects.<\/p>\n<\/div><\/div><\/div>\n\n\n\n

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\"Prk<\/figure>\n\n\n\n

Eye Protection After the Procedure<\/strong><\/strong><\/strong><\/strong><\/h3>\n\n\n\n

The final phase of laser vision correction is to protect the eyes with soft contact lenses that have high oxygen permeability. These are removed by the surgeon after 2-4 days. <\/p>\n<\/div><\/div><\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div>\n\n

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LASEK and PRK \u2013 in brief<\/h2>\n\n\n\n

PRK and LASEK are surface methods: the excimer laser models the cornea directly beneath the epithelium, without a flap and without penetrating deep. They differ in the method of epithelium removal \u2013 in PRK it is removed after softening with alcohol, in LASEK it is lifted and repositioned. At SwissLaser, we perform surface methods primarily as no-touch Trans-PRK smart surFace<\/a>, in which the laser itself removes the epithelium: lowest infection risk and smoothest surface. LASEK, PRK and EBK remain solutions for special situations determined during qualification. <\/p>\n\n\n\n